{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{corruption\_abs1000\_PC\_S\_z}&\multicolumn{1}{c}{tot\_revenues}&\multicolumn{1}{c}{current\_exp\_PC}&\multicolumn{1}{c}{capital\_ext\_PC}\\
\hline
S\_1000=1 $\times$ T=1&   0.0438         &   -1.557         &   -17.85         &   -1.142         \\
                & (0.0287)         &  (9.045)         &  (11.70)         &  (22.42)         \\
\hline
Observations    &    13254         &    14436         &    14489         &    14489         \\
\(R^{2}\)       &    0.176         &    0.882         &    0.883         &    0.451         \\
\hline\hline
\multicolumn{5}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.10\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular}
}
